Home / 74,669.58-103,127.04-50,754.78

Finding the Fourth Proportional to 74,669.58, 103,127.04 and 50,754.78

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Solution

The fourth proportional to 74,669.58, 103,127.04 and 50,754.78 is: 70,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669.58 : 103,127.04 = 50,754.78 : x
  2. Step 2: Convert to fraction form
    74,669.58/103,127.04 = 50,754.78/x
  3. Step 3: Cross multiply
    74,669.58x = 103,127.04 × 50,754.78
  4. Step 4: Simplify right side
    74,669.58x = 5,234,190,227.25
  5. Step 5: Solve for x
    x = 5,234,190,227.25/74,669.58
  6. Step 6: Final answer
    x = 70,098.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.